Richard P Irwin

US Patent:

6366707, Apr 2, 2002

Filed:

Apr 13, 1999

Appl. No.:

09/290429

Inventors:

Robert W. Luffel - Greeley CO
Richard A. Irwin - Fort Collins CO

Assignee:

Hewlett-Packard Company - Palo Alto CA

International Classification:

G06K 936

US Classification:

382287, 356124

Abstract:

An alignment system for an imaging apparatus is disclosed. The alignment system aligns the image beam associated with the imaging apparatus relative to predetermined reference points, such as the vertex and base of a right triangle. The base of the right triangle may be normal to the image beam and the vertex of the right triangle may be located at a fixed and predetermined location relative to the imaging apparatus. The image beam may intersect a hypotenuse point on the hypotenuse of the right triangle and the image beam may intersect a base point on the base of the right triangle. The alignment system measures the distance between the base point and the hypotenuse point. The distance between the base point and the hypotenuse point corresponds to a single location on the base relative to the vertex. The alignment systems, thus, references the transverse position of the image beam relative to the vertex. The alignment system also references the vertical position of the image beam relative to the location on the image beam where the image beam intersects the base.

US Patent:

6469525, Oct 22, 2002

Filed:

Jan 4, 2001

Appl. No.:

09/754984

Inventors:

Jonathan C. Baiardo - Fort Collins CO
Kelly John Reasoner - Ft. Collins CO
Duane L. Harmon - Loveland CO
Richard A Irwin - Fort Collins CO

Assignee:

Hewlett-Packard Company - Palo Alto CA

International Classification:

G01R 2726

US Classification:

324689, 324667, 7333504

Abstract:

An electrical system for measuring humidity which is capable of measurements accurate to +/-6 percent from board to board. The accuracy provided by this electrical system makes it possible to correlate errors in data on backup magnetic tapes to variations in humidity. The electrical system consists of an oscillator whose frequency is dependent on the capacitance of a capacitor used in the circuit. The capacitance value of the capacitor is dependent on the relative humidity. The frequency of the oscillator is translated to a humidity value by an electronic counter and a microprocessor.

US Patent:

6557764, May 6, 2003

Filed:

Aug 12, 1999

Appl. No.:

09/373471

Inventors:

Kelly J Reasoner - Ft Collins CO
Richard A Irwin - Fort Collins CO

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06K 710

US Classification:

235455, 23546206, 250205

Abstract:

A method and apparatus that allows the adjustment of the intensity of the illumination source in a barcode reader, using the barcode reader as the measuring device, to give a predetermined amount of light from a known target. The adjustment of the intensity of the illumination source in the barcode reader compensates for the manufacturing tolerances of the barcode reader.

US Patent:

6664525, Dec 16, 2003

Filed:

Aug 27, 2001

Appl. No.:

09/940959

Inventors:

Gregg S. Schmidtke - Fort Collins CO
Paul C. Coffin - Fort Collins CO
Richard A. Irwin - Fort Collins CO

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G02B 2740

US Classification:

2502012, 250556, 23546222, 396 82

Abstract:

An imaging apparatus and method in which the focus of the imaging apparatus can be adjusted.

US Patent:

6693858, Feb 17, 2004

Filed:

Mar 21, 2001

Appl. No.:

09/814236

Inventors:

Kelly J. Reasoner - Ft Collins CO
Richard A. Irwin - Fort Collins CO
Gregg S. Schmidtke - Ft Collins CO

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G11B 2108

US Classification:

369 3029, 369 3032

Abstract:

An apparatus and method for detecting a data cartridge in a cartridge engaging assembly. A signal emitter may be positioned adjacent the cartridge engaging assembly to emit a signal. A signal detector mounted to the cartridge engaging assembly may detect the signal. The signal detector generates output to indicate whether the data cartridge is present in the cartridge engaging assembly based on the detected signal.

US Patent:

6957124, Oct 18, 2005

Filed:

Apr 23, 2003

Appl. No.:

10/421520

Inventors:

Thomas W. Holmquist - Fort Collins CO, US
Joe A. Eccher - Henderson NV, US
Curtis C. Ballard - Eaton CO, US
Richard Irwin - Fort Collins CO, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G06F007/00

US Classification:

700214, 700213, 414279, 34031003

Abstract:

An element handling system utilizes an element retrieval device and a decoder. The element retrieval device is configured to retrieve and transport a movable element in response to control data. The decoder is coupled to the element retrieval device. The decoder is configured to filter a combined power and control signal to recover an encoded control signal. The decoder is further configured to decode the control signal to recover the control data.

US Patent:

6967791, Nov 22, 2005

Filed:

Dec 6, 2001

Appl. No.:

10/008837

Inventors:

Gregg S. Schmidtke - Fort Collins CO, US
Kelly John Reasoner - Fort Collins CO, US
Richard Alan Irwin - Fort Collins CO, US

Assignee:

Hewlett-Packard Development Company, L.P. - Houston TX

International Classification:

G02B027/02

US Classification:

359806, 362544, 362545, 362249

Abstract:

System and method for illuminating a target area with a desired illumination pattern. According to preferred embodiments of the invention, a cartridge-engaging assembly may be positioned adjacent a data cartridge, light may be emitted from at least one light source on the cartridge-engaging assembly, and a portion of the emitted light may be attenuated so that the unblocked light illuminates the target area with the desired illumination pattern.

US Patent:

20040114477, Jun 17, 2004

Filed:

Oct 17, 2003

Appl. No.:

10/688753

Inventors:

Kelly Reasoner - Ft Collins CO, US
Richard Irwin - Fort Collins CO, US
Gregg Schmidtke - Ft Collins CO, US

International Classification:

G11B007/085

US Classification:

369/030360

Abstract:

Data cartridge detection systems and methods. An embodiment of a method comprises detecting a signal reflected from a data cartridge in a picker assembly. Moving the picker assembly after a loading operation only if the detected signal indicates the data cartridge is engaged in the picker assembly. The method may further comprise moving the picker assembly after an unloading operation only if the detected signal indicates the data cartridge is disengaged from the picker assembly.